UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gx95MrNYEoVwMtJMrJ7aWn/d1920k2khmGY3sW7hKts=' 
WHERE 
  key_id = '229c7eecc08fa2cfcad17fbf8ee38f296e789a90d5b7615f5ee79442eddf0318' 
  AND (
    token = 'gx95MrNYEoVwMtJMrJ7aWn/d1920k2khmGY3sW7hKts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )